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CLEC4C (Litifilimab Biosimilar) Recombinant Monoclonal Antibody

Datasheet
Code CSB-RA855470MB3HU
Size US$9799
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Product Details

Uniprot No.
Q8WTT0
Target Names
CLEC4C
Alternative Names
BIIB059 research-grade biosimilar; BIIB 059 research-grade biosimilar; BIIB-059 research-grade biosimilar ;CLEC4C antibody; BDCA2 antibody; CLECSF11 antibody; CLECSF7 antibody; DLEC antibody; HECL antibody; UNQ9361/PRO34150 antibody; C-type lectin domain family 4 member C antibody; Blood dendritic cell antigen 2 antibody; BDCA-2 antibody; C-type lectin superfamily member 7 antibody; Dendritic lectin antibody; CD antigen CD303 antibody
Species Reactivity
Human
Immunogen
Recombinant Human CLEC4C protein
Immunogen Species
Homo sapiens (Human)
Conjugate
Non-conjugated
Clonality
Monoclonal
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
0.01M PBS，pH7.4
Form
Liquid
Troubleshooting and FAQs
Antibody FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Notes
Validation Status
Application-specific performance (e.g., in flow cytometry, ELISA, IHC or other assay formats) has not yet been experimentally verified by CUSABIO. Users are advised to determine the optimal working conditions empirically in their own assay systems.
Guaranteed Quality
① Antibody purity > 95% tested by SDS-PAGE.
② Endotoxin level < 0.1EU/ug tested by LAL method.
Lead Time
3-4 weeks
Description

This recombinant monoclonal antibody is a research-grade biosimilar to litifilimab, designed to specifically target CLEC4C (C-type lectin domain family 4 member C), also known as BDCA-2 or CD303. CLEC4C is a type II transmembrane receptor predominantly expressed on plasmacytoid dendritic cells (pDCs), where it functions as an inhibitory receptor that regulates interferon-alpha production. Upon engagement, CLEC4C suppresses Toll-like receptor signaling pathways, making it a critical checkpoint in innate immune responses. Dysregulated CLEC4C signaling and excessive interferon production by pDCs are implicated in autoimmune diseases, particularly systemic lupus erythematosus and cutaneous lupus erythematosus.

Litifilimab, the reference antibody, is a humanized IgG1 monoclonal antibody that binds to CLEC4C and inhibits interferon production from activated pDCs. This biosimilar provides researchers with a valuable tool for investigating pDC biology, interferon-mediated pathways, and autoimmune disease mechanisms. It supports studies examining immune regulation, inflammatory responses, and potential therapeutic interventions targeting the interferon axis in lupus and related autoimmune conditions.

Usage
It is a non-therapeutic biosimilar antibody, owning the same variable region from the corresponding approved therapeutic antibody. In conclusion, it is a research-grade biosimilar antibody and expressed in mammalian cell, which can be directly used as positive controls in drug discovery or used for rapid verification of the biological functions of target protein.

Related Products

CLEC4C Antibodies

CLEC4C Proteins

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Target Background

Function
Lectin-type cell surface receptor which may play a role in antigen capturing by dendritic cells. Specifically recognizes non-sialylated galactose-terminated biantennary glycans containing the trisaccharide epitope Gal(beta1-3/4)GlcNAc(beta1-2)Man. Binds to serum IgG. Efficiently targets ligand into antigen-processing and peptide-loading compartments for presentation to T-cells. May mediate potent inhibition of induction of IFN-alpha/beta expression in plasmacytoid dendritic cells. May act as a signaling receptor that activates protein-tyrosine kinases and mobilizes intracellular calcium.
Gene References into Functions
  1. Identification of serum glycoprotein ligands for the immunomodulatory receptor blood dendritic cell antigen 2. PMID: 29796630
  2. decrease in the surface expression of CLEC4C and the endoplasmic reticulum localization of the mutant construct were observed PMID: 26943047
  3. Human BDCA2+CD123+CD56+ dendritic cells (DCs) related to blastic plasmacytoid dendritic cell neoplasm represent a unique myeloid DC subset. PMID: 25779340
  4. BDCA-2 binds selectively to glycans containing the epitope Galbeta1-3/4GlcNAcbeta1-2Man. PMID: 25995448
  5. We show the crystal structures of a carbohydrate recognition domain (CRD) of human C-type lectin receptor blood dendritic cell antigen-2 (BDCA2). PMID: 24425442
  6. Reduction in Treg numbers following Ag delivery to BDCA2 restored both CD4(+) T cell activation and Ab responses, demonstrating that Tregs were required for the observed tolerance. PMID: 24829416
  7. Data show that HCV envelope glycoprotein E2 is a novel ligand of blood dendritic cells antigen 2 (BDCA-2). PMID: 23053572
  8. Human C-type lectin domain family 4, member C (CLEC4C/BDCA-2/CD303) is a receptor for asialo-galactosyl-oligosaccharides. PMID: 21880719
  9. Accumulation of BDCA-1 and BDCA-2 around neovessels showed that mDCs and pDCs are recruited to advanced arteriosclerotic plaques. PMID: 21436634
  10. Expression of dendritic cell markers CD11c/BDCA-1 and CD123/BDCA-2 in coronary artery disease upon activation in whole blood. PMID: 20888334
  11. Indoleamine 2,3-deoxigenase positive plasmacytoid dentritic cells are the classical BDCA2 positive cells in melanoma lymph nodes PMID: 19829303
  12. Data suggest that by associating with Fc epsilon RI gamma, BDCA2 activates a novel BCR-like signaling pathway to regulate the immune functions of plasmacytoid dendritic cells. PMID: 17850179
  13. Triggering CD303 leads to tyrosine phosphorylation of Syk, Slp65, PLCgamma2 and cytoskeletal proteins. CD303 signaling is linked with internalization by clathrin-mediated endocytosis. PMID: 18022864
  14. results suggest that downregulation of BDCA2 expression on plasmacytoid dendritic cells (pDCs) may reflect the activation of pDCs accumulated in systemic lupus erythematosus patients & may be one marker for indication of disease activity of SLE patients PMID: 18684674
  15. Engagement of BDCA-2 blocks TRAIL-mediated cytotoxic activity of plasmacytoid dendritic cells. PMID: 19577819

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Subcellular Location
Cell membrane; Single-pass type II membrane protein.
Tissue Specificity
Expressed in plasmacytoid dendritic cells (PDCs). Constitutively expressed in immature monocyte-derived dendritic cells (iMDDC) and is significantly down-regulated upon maturation with LPS but not with TNF-alpha.
Database Links

HGNC: 13258

OMIM: 606677

KEGG: hsa:170482

STRING: 9606.ENSP00000353500

UniGene: Hs.351812

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